title: Comparison of chemical composition of Aerva javanica seed essential oils obtained by different extraction methods.
abstract: Aerva javanica (Burm.f.) Juss. ex Schult. seed essential oils were obtained by hydrodistillation (HD) and dry steam distillation (SD) extracting methods and analyzed by using gas chromatography-mass spectrometry(GC-MS). Twenty and eighteen components representing 90.5% and 95.6% of the seed essential oil were identified, using hydrodistillation and dry steam distillation, respectively. The major constituent identified from seed essential oil obtained by HD were heptacosane (25.4%), 3-allyl-6-methoxyphenol (14.1%), pentacosane (12.1%), 6,10,14-trimethyl-2-pentade-canone (7.9%), nonacosane (7.1%), tricosane (3.6%), α-farnesene (3.5%), dodecanal (2.7%) and octacosane (2.1%). Whereas the major constituent identified from seed essential oil obtained by SD were heptacosane (41.4%), pentacosane (21.2%), nonacosane (14.8%), tricosane (6.3%), octacosane (4.2%) and tetracosane (3.0%).
authors.affiliation: National Center of Excellence in Analytical Chemistry, University of Sindh, Jamshoro, Pakistan.
authors.forename: Muhammad Qasim
authors.initials: MQ
authors.lastname: Samejo
authors.forename: Shahabuddin
authors.initials: S
authors.lastname: Memon
authors.forename: Muhammad Iqbal
authors.initials: MI
authors.lastname: Bhanger
authors.forename: Khalid Mohammed
authors.initials: KM
authors.lastname: Khan
mesh_terms: D027703:Amaranthaceae / Q000737:chemistry*; D008401:Gas Chromatography-Mass Spectrometry; D009822:Oils, Volatile / Q000032:analysis / Q000302:isolation & purification*; D012639:Seeds / Q000737:chemistry
chemical_list: D009822:Oils, Volatile